Dr. Weiss is the current Chairman of the Global Health Center Steering Committee. Dr. Weiss's involvement in global health stems from his interests and activities in parasitology and tropical medicine. He has been involved in studies on the treatment , diagnosis and basic biology of Toxoplasmosis, Babesiosis, Chagas Disease, Microsporidiosis, Cryptosporidiosis and Isosporiasis. He is a consultant to the diagnostic parasitolgy laboratory and has a clinical consultative practice in travel medicine, infectious diseases, and parasitology.